/* ...existing code... */
:root{
  --bg:#f3f7f4;
  --card:#ffffff;
  --accent:#31473A;
  --muted:#6b6b6b;
  --radius:12px;
  --shadow:0 12px 30px rgba(17,24,17,0.08);
  --gap:14px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(180deg, #eef6ee 0%, var(--bg) 100%);
  color:#15291b;
  -webkit-font-smoothing:antialiased;
}

/* header */
.auth-header{
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 28px;
}
.logo{
  font-weight:700;
  color:var(--accent);
  text-decoration:none;
  font-size:1.15rem;
}

/* layout */
.auth-section{
  display:flex;
  align-items:center;
  justify-content:center;
  padding:48px 20px;
  min-height:calc(100vh - 72px);
}

.auth-card{
  width:100%;
  max-width:440px;
  background:var(--card);
  padding:28px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  border:1px solid rgba(49,71,58,0.06);
}

.section-title{
  margin:0 0 18px 0;
  font-size:1.35rem;
  color: #0f2a1a;
}

/* inputs */
.input-group{ margin-bottom:var(--gap); display:flex; flex-direction:column; gap:8px; }
.input-group label{ font-size:0.92rem; color:var(--muted); }
.input-group input{
  padding:12px 14px;
  font-size:1rem;
  border-radius:10px;
  border:1px solid #e6ebe6;
  background:#fff;
  outline:none;
  transition:box-shadow .12s, border-color .12s, transform .06s;
}
.input-group input:focus{ border-color:var(--accent); box-shadow:0 8px 18px rgba(49,71,58,0.06); transform:translateY(-1px); }

/* password toggle */
.password-wrap{ position:relative; display:flex; align-items:center; }
.password-wrap .pw-toggle{
  position:absolute;
  right:8px;
  top:50%;
  transform:translateY(-50%);
  border:0;
  background:transparent;
  padding:6px;
  cursor:pointer;
  color:#6b6b6b;
  border-radius:8px;
}
.password-wrap .pw-toggle:focus{ outline:2px solid rgba(49,71,58,0.12) }

/* button */
.button{ display:inline-block; width:100%; padding:12px; border-radius:10px; border:0; font-weight:600; cursor:pointer; }
.button.primary{ background:var(--accent); color:#fff; box-shadow:0 8px 20px rgba(49,71,58,0.08); }
.button.secondary{ background:transparent; color:var(--accent); border:1px solid rgba(49,71,58,0.08); }

.auth-footer{ margin-top:14px; font-size:0.95rem; text-align:center; color:var(--muted); }
.auth-footer a{ color:var(--accent); font-weight:600; text-decoration:none; }

.form-msg{ margin-top:12px; color:#b00020; font-size:0.95rem; min-height:20px; }

/* responsive */
@media (max-width:520px){
  .auth-card{ padding:20px; border-radius:10px; }
  .auth-section{ padding:28px 14px; }
}